#include <bits/stdc++.h>
#define ll long long
using namespace std;

const int MAXN = 1e5 + 100; 
const long long mod = 4611686018427387904;

inline void File_Read() {
#ifdef DEBUG
    freopen("in.txt", "r", stdin);
    freopen("out.txt", "w", stdout);
#else 
    freopen("shuliec.in", "r", stdin);
    freopen("shuliec.out", "w", stdout);
#endif
}

inline ll get_num() {
    ll k = 0, f = 1;
    char c = getchar();
    for(; !isdigit(c); c = getchar()) if(c =='-') f = -1;
    for(; isdigit(c); c = getchar()) k = k * 10 + c - '0';
    return k * f;
}

//inline void get_char(string &tar) {
//	char c = getchar();
//	for (;!isalpha(c); c = getchar());
//	for (; isalpha(c); c = getchar()) tar = tar + c;
//}

inline char get_char() {
    char c = getchar();
    for(;!isalpha(c); c = getchar());
    char k = c;
    for(; isalpha(k); k = getchar());
    return c;
}

struct node {
    ll l, r, s, lz;
    node(){l = 0, r = 0, s = 0, lz = 0;}
    ll lth() {
    	return r - l + 1;
	}
}nd[MAXN * 10];

ll a[MAXN], n, q, ti;

void build(ll x, ll l, ll r) {
	nd[x].l = l;
	nd[x].r = r;
	if(l == r) {
		nd[x].s = get_num();
		return;
	}
	build(x << 1, l, (l + r) / 2);
	build(x << 1 | 1, (l + r) / 2 + 1, r);
	nd[x].s = nd[x << 1].s + nd[x << 1 | 1].s;
}

inline void pushdown(ll x) {
	if(!nd[x].lz) return;
	if(nd[x].l == nd[x].r) {
		nd[x].s += nd[x].lz * nd[x].lth();
   		nd[x].lz = 0;
		return; 
	}
    nd[x << 1].lz += nd[x].lz;
    nd[x << 1 | 1].lz += nd[x].lz;
    nd[x].s += nd[x].lz * nd[x].lth();
    nd[x].lz = 0;
}

ll find(ll x, ll l, ll r) {
	pushdown(x);
    if(nd[x].l == l && nd[x].r == r) {
        return nd[x].s;
    }
    else if(r <= nd[x << 1].r) {
        return find(x << 1, l, r);
    }
    else if(l >= nd[x << 1 | 1].l) {
        return find(x << 1 | 1, l, r);
    }
    else {
        return find(x << 1, l, nd[x << 1].r) + find(x << 1 | 1, nd[x << 1 | 1].l, r);
    }
}

void add(ll x, ll l, ll r, ll k) {
    if(nd[x].l == l && nd[x].r == r) {
        nd[x].lz += k;
        pushdown(x);
        return;
    }
    else {
    	nd[x].s += (r - l + 1) * k;
	}
    if(r <= nd[x << 1].r) {
        add(x << 1, l, r, k);
    }
    else if(l >= nd[x << 1 | 1].l) {
        add(x << 1 | 1, l, r, k);
    }
    else {
        add(x << 1, l, nd[x << 1].r, k);
        add(x << 1 | 1, nd[x << 1 | 1].l, r, k);
    }
}

int main() {
    File_Read();
    n = get_num();
    
    build(1, 1, n);
	
    q = get_num();
    while(q--) {
        if(get_char() == 'S') {
            ll l = get_num();
            ll r = get_num();
            printf("%lld\n", find(1, l, r));
        }
        else {
            int l = get_num();
            int r = get_num();
            int k = get_num();
            add(1, l, r, k);
        }
    }
}
